Features: Hexagonal Shank Design: The countersink drill bit features a sturdy hexagonal shank for a secure grip in power tools, reducing slippage and ensuring precise drilling in wood or metal surfaces with ease. 82 Degree Chamfer Angle: This countersink drill bit set is designed with an 82-degree chamfer angle, providing smooth and efficient deburring for clean, professional finishes on woodworking or metal projects. Durable Carbon Steel Construction: Made from good-quality carbon steel, these drill bits offer exceptional durability and resistance to wear, making them ideal for long-lasting performance in household and workshop applications. Sturdy Flutes For Efficient Chip Removal: The countersink drill bit tools are equipped with deep, sturdy flutes that enhance chip removal, preventing clogging and ensuring high-efficiency drilling in wood, metal, and DIY projects. Versatile Household & Kitchen Use: Perfect for home improvement tasks, these countersink drill bits are practical tools for woodworking supplies, kitchen accessories, and general household repairs, offering reliable performance. Specifications: Material: Carbon Steel Size: 50*19mm, 50*16.5mm, 50*12.5mm, 49.5*9.2mm, 50*6.1mm Note: Due to the screen lighting effect, the actual color of the product may be slightly different. Due to manual measurement, please allow size error. Include: 5*Countersink Drill Bits